Binary and ternary particulate composites. I. Viscoelastic behavior

✍ Scribed by N. D. Alberola; F. Fernagut; P. Mele

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 274 KB
• Volume: 63
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/(sici)1097-4628(19970222)63:8<1029::aid-app9>3.0.co;2-k

✦ Synopsis

Dynamic mechanical behaviors of binary and ternary particulate composites are investigated to test for the influence of the nature of a polymeric adduct, i.e., maleated styrene ethylene-co-butylene styrene (SEBS) or styrene-co-methacrylic acid (SAMA) copolymers, at the polystyrene (PS)/glass-beads interface on the mechanical coupling and the adhesion quality between phases. Then, to separate the influence of these two causes, a rigorous modeling of the viscoelastic properties of ternary particulate composites is proposed. Thus, by comparing experimental and theoretical data, it is concluded that the rubbery and rigid adducts both induce a change in the magnitude of the mechanical coupling between phases. It is shown, however, that the SAMA coupling agent exhibits a better compatibility with the PS matrix than that of maleated SEBS. This could result from the difference in the wt % of styrene segments between these two copolymers.